WO2020135214A1 - 上行控制信息uci的传输方法及终端 - Google Patents

上行控制信息uci的传输方法及终端 Download PDF

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Publication number
WO2020135214A1
WO2020135214A1 PCT/CN2019/126572 CN2019126572W WO2020135214A1 WO 2020135214 A1 WO2020135214 A1 WO 2020135214A1 CN 2019126572 W CN2019126572 W CN 2019126572W WO 2020135214 A1 WO2020135214 A1 WO 2020135214A1
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Prior art keywords
uci
priority
different priorities
ucis
beta
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PCT/CN2019/126572
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English (en)
French (fr)
Chinese (zh)
Inventor
李娜
沈晓冬
鲁智
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维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to KR1020217021383A priority Critical patent/KR102512967B1/ko
Priority to JP2021535231A priority patent/JP7225405B2/ja
Priority to EP19901441.6A priority patent/EP3905570A4/en
Publication of WO2020135214A1 publication Critical patent/WO2020135214A1/zh
Priority to US17/356,890 priority patent/US11968676B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/001—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding applied to control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/007—Unequal error protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1864—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0466—Wireless resource allocation based on the type of the allocated resource the resource being a scrambling code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • the present disclosure relates to the field of communication technology, and in particular, to a method and terminal for transmitting uplink control information UCI.
  • 5G mobile communication systems need to adapt to more diverse scenarios and business needs.
  • the main scenarios of 5G include: enhanced mobile bandwidth (Enhance Mobile Broadband, eMBB), low latency, high reliability communication (Ultra Reliable & Low Latency Communication, URLLC), massive machine type communication (Massive Machine Type Communication, mMTC).
  • eMBB enhanced mobile bandwidth
  • URLLC Ultra Reliable & Low Latency Communication
  • mMTC massive machine type communication
  • the system proposes high reliability, low latency, large bandwidth, and wide coverage.
  • For terminals that support URLLC low latency and high reliability services in order to achieve higher reliability, lower bit rates need to be used to transmit data, and faster and more accurate feedback of Channel State Information (Channel) Information (CSI) is required .
  • Channel State Information Channel State Information
  • CSI Channel State Information
  • the terminal supports both URLLC low latency and high reliability services, and at the same time supports large capacity and high rate eMBB services.
  • the reliability requirements of different service types are mainly reflected in different BLER target (block error rate target value) and latency (latency) requirements.
  • each physical uplink control channel (Physical Uplink Control Channel, PUCCH) resource has a radio resource control (Radio Resource Control, RRC) configuration corresponding maxcoderate (maximum bit rate) and nrofPRBs (maximum) Number of physical resource blocks).
  • RRC Radio Resource Control
  • the terminal transmits uplink control information (Uplink Control Information, UCI) on the PUCCH
  • UCI Uplink Control Information
  • the terminal needs to discard some UCI according to certain rules.
  • Different code rates can adapt to different channel conditions and meet different BLER target requirements. For example, if the BLER target is low (such as 10 ⁇ -5), a lower code rate is required. Conversely, if the BLER target is relatively high (such as 10 ⁇ -2), a higher code rate can be used to reduce the use of Resources to improve resource utilization.
  • the terminal when the PUCCH and Physical Uplink Shared Channel (PUSCH) time domains overlap, if the multiplexing time requirements are met, the terminal multiplexes the UCI content on the PUCCH on the PUSCH for transmission, and UCI transmits on the PUSCH At the time, the terminal determines the number of resource particles (Resource Elements, RE) occupied by UCI on the PUSCH through the RRC configuration or DCI indicated beta_offset (resource occupancy ratio offset value), and performs coding and rate matching according to the RE number .
  • RE resource Elements
  • the hybrid automatic repeat request confirmation (Hybrid Automatic Repeat-request-ACK, HARQ-ACK) feedback of the physical downlink shared channel (PDSCH) of the URLLC and eMBB services can use different The codebook (codebook) feeds back on different PUCCH resources.
  • the codebook codebook feeds back on different PUCCH resources.
  • the present disclosure provides in real time a method and terminal for transmitting uplink control information UCI to solve the coding problem when UCIs of different service types are transmitted on the same channel.
  • a method for transmitting uplink control information UCI, applied to a terminal includes:
  • UCIs of different priorities are transmitted on the same target channel
  • UCIs of different priorities are separately encoded and then transmitted on the target channel
  • the priority of the UCI is determined by the target parameters of the downlink control information DCI and/or the information contained in the UCI; DCI is used to indicate the DCI corresponding to the UCI transmission.
  • An embodiment of the present disclosure also provides a terminal, including:
  • An encoding transmission module configured to encode UCIs of different priorities and transmit them on the target channel after UCIs of different priorities are transmitted on the same target channel;
  • the priority of the UCI is determined by the target parameters of the downlink control information DCI and/or the information contained in the UCI; DCI is used to indicate the DCI corresponding to the UCI transmission.
  • An embodiment of the present disclosure also provides a terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor.
  • the computer program is implemented as described above when executed by the processor. The steps of the above-mentioned uplink control information UCI transmission method.
  • Embodiments of the present disclosure also provide a computer-readable storage medium that stores a computer program on the computer-readable storage medium, and when the computer program is executed by a processor, implements the steps of the transmission method of the uplink control information UCI described above .
  • the reliability of UCI with high priority can be achieved, and the resource utilization rate can be improved.
  • FIG. 1 shows a schematic diagram of steps of a method for transmitting uplink control information UCI provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic diagram showing an example of a method for transmitting uplink control information UCI provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram showing another example of a method for transmitting uplink control information UCI provided by an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram showing still another example of the method for transmitting uplink control information UCI provided by an embodiment of the present disclosure
  • FIG. 5 shows one of the structural schematic diagrams of the terminal provided by the embodiment of the present disclosure
  • FIG. 6 shows a second structural schematic diagram of a terminal provided by an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a method for transmitting uplink control information UCI, which is applied to a terminal and includes:
  • Step 101 In the case that UCIs with different priorities are transmitted on the same target channel, UCIs with different priorities are separately encoded and then transmitted on the target channel;
  • the priority of the UCI is determined by the target parameters of the downlink control information DCI and/or the information contained in the UCI; DCI is used to indicate the DCI corresponding to the UCI transmission.
  • the target parameter of the DCI includes at least one of the following:
  • Temporary wireless network identity corresponding to DCI
  • Control resource set (control reset, CORESET) corresponding to DCI
  • DCI corresponding modulation and coding strategy (modulation and coding scheme, MCS) table
  • Resource indication information carried in the DCI is a time domain resource and/or a frequency domain resource newly used to indicate data or control information transmission;
  • the pilot mapping type information carried in the DCI to indicate the transmission of data or control information.
  • the DCI corresponding to the UCI transmission indicating high priority is the following DCI:
  • DCI scrambled using a specific RNTI eg MCS-C-RNTI
  • the MCS configured in the DCI uses a MCS table with low spectrum efficiency (eg MCS table 3, MCS table 3);
  • the DCI corresponding to the UCI transmission indicating low priority is the following DCI:
  • the information contained in the UCI includes Hybrid Automatic Repeat Request Confirmation (Hybrid Automatic Repeat-request-ACK, HARQ-ACK), Channel State Information (Channel State Information, CSI), Scheduling Request (SR), etc.
  • the UCI priority may also be referred to as being related to the UCI service type.
  • the UCI of the eMBB service and the UCI of the URLLC service are UCIs of different priorities.
  • the DCI target parameters used to indicate the UCI transmission of different service types are different.
  • the format of the DCI used to indicate the UCI transmission of the eMBB service is DCI format 1, which is used to indicate the UCI transmission of the URLLC service.
  • the format of DCI is DCI format 2, then the terminal can determine different priorities of UCIs of different service types according to different DCI formats.
  • the target channel includes: a physical uplink control channel PUCCH or a physical uplink shared channel PUSCH.
  • the method further includes:
  • UCIs of different priorities use different code rates.
  • the method further includes:
  • the code rate used by UCI with different priorities determine the code rate used by UCI with different priorities
  • the code rates corresponding to UCIs of different priorities are determined.
  • the first scaling factor is configured by radio resource control RRC, or indicated by DCI, or specified by a protocol.
  • the code rate corresponding to the PUCCH resource is specifically: a code rate configured by the network-side device for the PUCCH resource through RRC signaling.
  • the network side device configures different code rates for PUCCH resources through RRC signaling, and UCIs with different priorities respectively correspond to different code rates.
  • the UCI with high priority uses the code rate corresponding to the PUCCH resource
  • the UCI with low priority uses the code rate corresponding to the code rate corresponding to the PUCCH resource times the first scaling factor.
  • the first scaling The factor is less than 1.
  • the UCI with low priority uses the code rate corresponding to the PUCCH resource
  • the UCI with high priority uses the code rate corresponding to the code rate corresponding to the PUCCH resource times the first scaling factor.
  • the first scaling The factor is greater than 1.
  • the method further includes:
  • the resources used to transmit the UCI of the first priority are allocated according to the code rate configured by RRC, and the remaining resources are used to transmit the UCI of the second priority; that is, the UCI of the first priority and the The UCI of the second priority uses the number of physical resource blocks PRB configured by RRC together.
  • the first priority is higher than the second priority.
  • the UCI of the first priority uses the maximum bit rate configured by the RRC to determine the resource unit RE required to transmit the UCI of the first priority, and determines the physical resources configured by the RRC
  • the remaining REs in the block except the REs required to transmit the UCI of the first priority are used to transmit the UCI of the second priority;
  • the transmission of the second priority UCI is completely or partially discarded.
  • it is discarded according to a certain configuration or a predefined UCI discard rule, such as preferentially discarding CSI part 2 (Part 2 CSI), then CSI part 1 (Part 1 CSI), then HARQ-ACK or SR, etc. .
  • step 101 includes:
  • UCIs with different priorities are encoded separately, and the UCIs with different priorities after encoding are mapped onto physical resources using a time-domain-first mapping method and transmitted on the target channel.
  • UCIs with different priorities are low-priority HARQ-ACK (such as eMBB HARQ-ACK) and high-priority HARQ-ACK (such as URLLC HARQ-ACK); when low-priority HARQ-ACK and high-priority HARQ-ACK When multiplexed together, if the terminal misses the PDCCH corresponding to the last PDSCH of the low-priority service (such as eMBB service), it will cause the base station and the terminal to misunderstand the number of low-priority HARQ-ACK bits.
  • low-priority HARQ-ACK such as eMBB HARQ-ACK
  • high-priority HARQ-ACK such as URLLC HARQ-ACK
  • the PRB resources used are inconsistent, so in order to reduce the impact of low-priority PDCCH miss detection on high-priority HARQ-ACK feedback, high-priority HARQ-ACK and low-priority HARQ-ACK are coded separately, and time-domain-first The way is mapped to physical resources, which can ensure that the base station correctly receives the high priority HARQ-ACK feedback.
  • UCI that is mapped to physical resources using a time-domain-first mapping method
  • the embodiments of the present disclosure do not limit the encoding rate and/or beta_offset of UCI, that is, different priorities for transmission using the time-domain-first mapping method
  • UCI of different priorities can be coded with the same code rate, or with different code rates, with the same beta_offset, or with different beta_offset.
  • the PUCCH carrying low priority HARQ-ACK overlaps with multiple time division multiplexed PUCCH carrying high priority HARQ-ACK (respectively HARQ-ACK1 and HARQ-ACK2), in order to reduce High-priority HARQ-ACK feedback delay, multiplexing low-priority HARQ-ACK on high-priority PUCCH, while considering the terminal processing time, the low-priority HARQ-ACK and the first one meet the multiplexing time condition
  • the high priority PUCCH is multiplexed.
  • low-priority HARQ-ACK and high-priority HARQ-ACK 2 are multiplexed and transmitted on one PUCCH
  • low-priority HARQ-ACK and high-priority HARQ-ACK 2 are coded separately, and the two use different code rates to determine their Number of REs used.
  • the high-priority HARQ-ACK2 uses the maxcoderate (maximum code rate) corresponding to the PUCCH resource configured by RRC to determine the RE it occupies.
  • the terminal determines the number of PRBs used by the URLCC HARQ-ACK bit number and its bit rate and the low priority HARQ-ACK bit number and its bit rate (the determined PRB number is less than or equal to the maximum PRB number of the PUCCH resource configured by RRC ).
  • the terminal uses the maximum code rate to transmit high-priority HARQ-ACK and discards some low-priority -Level HARQ-ACK bits or compressed HARQ-ACK bits of low priority HARQ-ACK bits (eg, code block group (CBG) granularity HARQ-ACK back to transmission block (TB) granularity HARQ-ACK ( Determine the number of feedback HARQ-ACK bits according to the number of TB); or, bind HARQ-ACK to meet the HARQ-ACK bit rate requirement of eMBB.
  • CBG code block group
  • TB transmission block
  • the low-priority BLER target (block error rate target value) is 10 ⁇ -2 and the high-priority BLER target is 10 ⁇ -5/-6
  • the low-priority PDCCH miss detection probability is 1%
  • the high-priority The probability of missed detection of the PDCCH of the first level is 0.001%, so if the last PDCCH of the low priority is missed, when the low priority HARQ-ACK and the high priority HARQ-ACK are multiplexed together, it will cause the base station and the UE to respond to the HARQ-ACK
  • the number of bits is inconsistent and the PRB resources used by PUCCH are inconsistent.
  • the high-priority HARQ-ACK and low Priority HARQ-ACK is coded separately and mapped to physical resources in a time-domain-first manner. Ensure that the base station can correctly receive the high priority HARQ-ACK feedback.
  • the method further includes:
  • UCIs of different priorities use different resource occupancy ratio offset values of beta_offset to determine the resource particles RE and bit rate used by each UCI.
  • the method further includes:
  • beta_offset used by UCI of different priorities; for example, UCI with high priority adopts RRC configuration or beta_offset indicated by DCI, and UCI with low priority adopts preset beta_offset (pre- Let beta_offset be a fixed beta_offset), for example, the default beta_offset is equal to 1.
  • This method is generally applicable to low-priority UCI and high-priority UCI multiplexed on high-priority PUSCH.
  • beta_offset corresponding to UCIs of different priorities indicated in DCI (for example, UL grant)
  • DCI indicates the beta_offset of UCI of high priority and the low priority of UCI respectively UCI's beta_offset.
  • the beta_offset is indicated in the form of Table 1, where the beta_offset in DCI indicates the beta_offset of each state indicating different priorities (such as high-priority service URLLC and low-priority service eMBB), and the same priority contains different UCI type (such as HARQ-ACK, CSI part1 and CSI part 2) and the number of bits (such as less than 3 bits, greater than 3 bits and less than 12 bits, greater than 11 bits, etc.), where the priority can be used to indicate the UCI
  • the target parameter of the downlink control information DCI corresponding to the transmission is determined.
  • the indexes corresponding to less than or equal to 2 bits HARQ-ACK, the indexes corresponding to greater than 2 bits and less than 12 bits HARQ-ACK, and the indexes corresponding to greater than 11 bits HARQ-ACK with Represents the indexes corresponding to 11-bit CSI part 1 and CSI part 2 respectively, with Respectively indicate the indexes corresponding to CSI part 1 and CSI part 2 that are larger than 11 bits.
  • the second scaling factor and the beta_offset of UCI of the first priority indicated by the RRC configuration or DCI determine the beta_offset used by UCI of different priorities; wherein, the second scaling factor is configured by RRC or indicated by DCI, Or specified by the protocol; for example, the RRC configuration or DCI indicates the beta_offset of high priority UCI; the low priority UCI beta_offset is equal to the product of the RRC configuration or DCI indicated beta_offset and the second scaling factor; and for example, The RRC configuration or DCI indicates the beta_offset of the UCI with low priority; the beta_offset of the UCI with high priority is equal to the product of the beta_offset indicated by the RRC configuration or DCI and the second scaling factor.
  • the aforementioned high priority HARQ-ACK may be URLLC HARQ-ACK, and the low priority HARQ-ACK may be eMBB HARQ-ACK;
  • the high priority UCI mentioned above may be URLLC CSI, and the low priority UCI may be eMBB CSI.
  • the high priority UCI mentioned above may be URLLC CSI, and the low priority UCI may be eMBB HARQ-ACK.
  • the priority of HARQ-ACK is determined through the DCI format, control resource set, and/or search space, etc.
  • the specific method of determining the priority of UCI has been described in detail in the above embodiments, and will not be repeated here Repeat.
  • the above embodiments of the present disclosure can achieve the reliability of high-priority UCI and improve the resource utilization rate by defining or configuring the encoding method and bit rate of UCIs of different priorities when transmitted on the same target channel.
  • an embodiment of the present disclosure also provides a terminal 500, including:
  • the encoding transmission module 501 is used to encode UCIs of different priorities and transmit them on the target channel after UCIs of different priorities are transmitted on the same target channel;
  • the priority of the UCI is determined by the target parameters of the downlink control information DCI and/or the information contained in the UCI; DCI is used to indicate the DCI corresponding to the UCI transmission.
  • the target channel includes: a physical uplink control channel PUCCH or a physical uplink shared channel PUSCH.
  • the terminal further includes:
  • the first encoding module is used to encode UCIs of different priorities when the target channel is PUCCH, and UCIs of different priorities use different code rates.
  • the terminal further includes:
  • the code rate determining module is used to determine the code rate used by UCIs of different priorities according to the first scaling factor and the code rate corresponding to the PUCCH resource; or, the code corresponding to UCI of different priorities configured by radio resource control RRC Rate, determine the bit rate used by UCI with different priorities;
  • the first scaling factor is configured by radio resource control RRC, or indicated by DCI, or specified by a protocol.
  • the second encoding module is used to encode UCIs of different priorities according to the RRC configuration when the target channel is PUCCH and the priority of the UCI includes at least the first priority and the second priority
  • the code rate is allocated to transmit the UCI resources of the first priority, and the remaining resources are used to transmit the UCI of the second priority;
  • the encoding transmission module includes:
  • the terminal further includes:
  • the third encoding module is used for encoding UCIs of different priorities when the target channel is PUSCH, and UCIs of different priorities use different resource occupancy ratio offset values of beta_offset to determine the use of each UCI The resource particles and bit rate.
  • the terminal further includes:
  • the offset value determination module is used to determine the beta_offset used by UCI of different priorities according to the RRC configuration or the beta_offset indicated by DCI and the preset beta_offset;
  • the priority of the UCI includes at least the first Priority and second priority
  • the second scaling factor is configured by RRC or indicated by DCI, Or as stipulated by the agreement.
  • the terminal provided by the embodiment of the present disclosure can implement various processes implemented by the terminal in the method embodiments of FIG. 1 to FIG. 4. To avoid repetition, details are not described herein again.
  • the above embodiments of the present disclosure can achieve the reliability of high-priority UCI and improve the resource utilization rate by defining or configuring the encoding method, code rate, etc. of UCIs of different priorities when transmitted on the same target channel.
  • the terminal provided by the embodiment of the present disclosure is a terminal capable of executing the above-mentioned uplink control information UCI transmission method, then all the embodiments of the above-mentioned uplink control information UCI transmission method are applicable to the terminal, and all can achieve the same Or similar beneficial effects.
  • the terminal 600 includes but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, The user input unit 607, interface unit 608, memory 609, processor 610, power supply 611 and other components.
  • a radio frequency unit 601 a radio frequency unit 601
  • a network module 602 an audio output unit 603, an input unit 604, a sensor 605, a display unit 606,
  • the user input unit 607, interface unit 608, memory 609, processor 610, power supply 611 and other components Those skilled in the art may understand that the terminal structure shown in FIG. 6 does not constitute a limitation on the terminal, and the terminal may include more or less components than those illustrated, or combine certain components, or arrange different components.
  • the terminal includes but is not limited to a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle terminal, a wearable device, and a pedometer.
  • the processor 610 is configured to separately encode UCIs of different priorities when UCIs of different priorities are transmitted on the same target channel,
  • the radio frequency unit 601 is configured to transmit on the target channel after separately encoding UCIs of different priorities
  • the priority of the UCI is determined by the target parameters of the downlink control information DCI and/or the information contained in the UCI; DCI is used to indicate the DCI corresponding to the UCI transmission.
  • the above embodiments of the present disclosure can achieve the reliability of high-priority UCI and improve the resource utilization rate by defining or configuring the encoding method and bit rate of UCIs of different priorities when transmitted on the same target channel.
  • the terminal provided by the embodiment of the present disclosure is a terminal capable of executing the above-mentioned uplink control information UCI transmission method, then all the embodiments of the above-mentioned uplink control information UCI transmission method are applicable to the terminal, and all can achieve the same Or similar beneficial effects.
  • the radio frequency unit 601 may be used to receive and send signals during sending and receiving information or during a call. Specifically, after receiving the downlink data from the base station, it is processed by the processor 610; The uplink data is sent to the base station.
  • the radio frequency unit 601 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 601 can also communicate with the network and other devices through a wireless communication system.
  • the terminal provides users with wireless broadband Internet access through the network module 602, such as helping users send and receive e-mail, browse web pages, and access streaming media.
  • the audio output unit 603 may convert the audio data received by the radio frequency unit 601 or the network module 602 or stored in the memory 609 into an audio signal and output as sound. Moreover, the audio output unit 603 may also provide audio output related to a specific function performed by the terminal 600 (eg, call signal reception sound, message reception sound, etc.).
  • the audio output unit 603 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 604 is used to receive audio or video signals.
  • the input unit 604 may include a graphics processor (Graphics, Processing, Unit, GPU) 6041 and a microphone 6042, and the graphics processor 6041 may process a still picture or video image obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode The data is processed.
  • the processed image frame may be displayed on the display unit 606.
  • the image frame processed by the graphics processor 6041 may be stored in the memory 609 (or other storage medium) or sent via the radio frequency unit 601 or the network module 602.
  • the microphone 6042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to the mobile communication base station via the radio frequency unit 601 in the case of a telephone call mode and output.
  • the terminal 600 further includes at least one sensor 605, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 6061 according to the brightness of the ambient light, and the proximity sensor can close the display panel 6061 and/or when the terminal 600 moves to the ear Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when at rest, and can be used to identify the posture of the terminal (such as horizontal and vertical screen switching, related games, Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 605 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be repeated here.
  • the display unit 606 is used to display information input by the user or information provided to the user.
  • the display unit 606 may include a display panel 6061, and the display panel 6061 may be configured in the form of a liquid crystal display (Liquid Crystal) (LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), or the like.
  • LCD Liquid Crystal
  • OLED Organic Light-Emitting Diode
  • the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, and converts it into contact coordinates, and then sends To the processor 610, the command sent by the processor 610 is received and executed.
  • the touch panel 6071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the user input unit 607 may also include other input devices 6072.
  • other input devices 6072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not repeated here.
  • the touch panel 6071 may be overlaid on the display panel 6061.
  • the touch panel 6071 detects a touch operation on or near it, it is transmitted to the processor 610 to determine the type of touch event, and then the processor 610 according to the touch The type of event provides corresponding visual output on the display panel 6061.
  • the touch panel 6071 and the display panel 6061 are implemented as two independent components to realize the input and output functions of the terminal, in some embodiments, the touch panel 6071 and the display panel 6061 may be integrated to The input and output functions of the terminal are implemented, which is not limited here.
  • the interface unit 608 is an interface for connecting an external device to the terminal 600.
  • the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (input/output, I/O) port, video I/O port, headphone port, etc.
  • the interface unit 608 may be used to receive input from external devices (eg, data information, power, etc.) and transmit the received input to one or more elements within the terminal 600 or may be used between the terminal 600 and external devices Transfer data between.
  • the memory 609 can be used to store software programs and various data.
  • the memory 609 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, application programs required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; the storage data area may store Data created by the use of mobile phones (such as audio data, phonebooks, etc.), etc.
  • the memory 609 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 610 is the control center of the terminal, and uses various interfaces and lines to connect the various parts of the entire terminal, executes or executes the software programs and/or modules stored in the memory 609, and calls the data stored in the memory 609 to execute Various functions and processing data of the terminal, so as to monitor the terminal as a whole.
  • the processor 610 may include one or more processing units; optionally, the processor 610 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs, etc.
  • the modulation processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 610.
  • the terminal 600 may also include a power supply 611 (such as a battery) that supplies power to various components.
  • a power supply 611 (such as a battery) that supplies power to various components.
  • the power supply 611 may be logically connected to the processor 610 through a power management system, thereby managing charge, discharge, and power consumption management through the power management system And other functions.
  • the terminal 600 includes some functional modules not shown, which will not be repeated here.
  • an embodiment of the present disclosure further provides a terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor, and the computer program is executed by the processor to implement the above uplink control information
  • a terminal including a processor, a memory, and a computer program stored on the memory and executable on the processor, and the computer program is executed by the processor to implement the above uplink control information
  • Embodiments of the present disclosure also provide a computer-readable storage medium that stores a computer program on the computer-readable storage medium.
  • the computer program is executed by a processor, each process of the foregoing embodiment of the method for transmitting uplink control information UCI is implemented, To achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or Can be integrated into another system, or some elements can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical, or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the technical solution of the present disclosure essentially or part of the contribution to the related technology or part of the technical solution can be embodied in the form of a software product, the computer software product is stored in a storage medium, including several
  • the instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present disclosure.
  • the foregoing storage media include various media that can store program codes, such as U disk, mobile hard disk, ROM, RAM, magnetic disk, or optical disk.
  • the program can be stored in a computer-readable storage medium. When executed, it may include the processes of the foregoing method embodiments.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM), etc.
  • the embodiments described in the embodiments of the present disclosure may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processor, DSP), digital signal processing device (DSP Device, DSPD), programmable Logic Device (Programmable Logic Device, PLD), Field Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, others for performing the functions described in this disclosure Electronic unit or its combination.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processor
  • DSP Device digital signal processing device
  • DPD digital signal processing device
  • PLD programmable Logic Device
  • Field Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present disclosure may be implemented by modules (eg, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • the software codes can be stored in memory and executed by the processor.
  • the memory may be implemented in the processor or external to the processor.

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KR1020217021383A KR102512967B1 (ko) 2018-12-25 2019-12-19 상향 링크 제어 정보 (uci)의 전송 방법 및 단말
JP2021535231A JP7225405B2 (ja) 2018-12-25 2019-12-19 上りリンク制御情報ｕｃｉの伝送方法及び端末
EP19901441.6A EP3905570A4 (en) 2018-12-25 2019-12-19 METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL (UCI) INFORMATION
US17/356,890 US11968676B2 (en) 2018-12-25 2021-06-24 Uplink control information transmission method and terminal

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INTERDIGITAL, INC.: "Potential UCI enhancements for URLLC", 3GPP TSG RAN WG1 MEETING #95 R1-1813163 (R16 NR WI AI 72612 UCI FOR URLLC), 3RD GENERATION PARTNERSHIP PROJECT (3GPP), 11 November 2018 (2018-11-11), Spokane, USA; 20181112 - 20181116, XP051555156 *
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CN114257360A (zh) * 2020-09-24 2022-03-29 维沃移动通信有限公司 Harq-ack处理方法、装置及相关设备
CN114257360B (zh) * 2020-09-24 2023-12-05 维沃移动通信有限公司 Harq-ack处理方法、装置及相关设备
CN113498195A (zh) * 2021-03-18 2021-10-12 上海移远通信技术股份有限公司 一种被用于无线通信的节点中的方法和装置
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CN111314033B (zh) 2021-08-27
EP3905570A4 (en) 2022-02-16
CN111314033A (zh) 2020-06-19
US20210321394A1 (en) 2021-10-14
KR102512967B1 (ko) 2023-03-22
EP3905570A1 (en) 2021-11-03
JP7225405B2 (ja) 2023-02-20
US11968676B2 (en) 2024-04-23
KR20210096273A (ko) 2021-08-04

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